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Chemical Engineering Exam  >  Chemical Engineering Tests  >  Mass Transfer  >  Test: Cost Variance With Reflux Ratio - Chemical Engineering MCQ

Test: Cost Variance With Reflux Ratio - Chemical Engineering MCQ


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10 Questions MCQ Test Mass Transfer - Test: Cost Variance With Reflux Ratio

Test: Cost Variance With Reflux Ratio for Chemical Engineering 2024 is part of Mass Transfer preparation. The Test: Cost Variance With Reflux Ratio questions and answers have been prepared according to the Chemical Engineering exam syllabus.The Test: Cost Variance With Reflux Ratio MCQs are made for Chemical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Cost Variance With Reflux Ratio below.
Solutions of Test: Cost Variance With Reflux Ratio questions in English are available as part of our Mass Transfer for Chemical Engineering & Test: Cost Variance With Reflux Ratio solutions in Hindi for Mass Transfer course. Download more important topics, notes, lectures and mock test series for Chemical Engineering Exam by signing up for free. Attempt Test: Cost Variance With Reflux Ratio | 10 questions in 20 minutes | Mock test for Chemical Engineering preparation | Free important questions MCQ to study Mass Transfer for Chemical Engineering Exam | Download free PDF with solutions
Test: Cost Variance With Reflux Ratio - Question 1
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Most economical cost is

Detailed Solution for Test: Cost Variance With Reflux Ratio - Question 1

Explanation: Optimum cost will be efficient at any conditions.

Test: Cost Variance With Reflux Ratio - Question 2
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Consider an operating line touches the equilibrium line, and then the fixed cost becomes

Detailed Solution for Test: Cost Variance With Reflux Ratio - Question 2

Explanation: If the operating line touches the equilibrium line, obviously the number of trays becomes infinite leads to infinite fixed cost.

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Test: Cost Variance With Reflux Ratio - Question 3
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 If the operating cost is low, then the fixed cost is more.

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Explanation: The operating cost will be low if the numbers of trays are more; simultaneously if the number of trays increases.

Test: Cost Variance With Reflux Ratio - Question 4
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If the reflux ratio increases _________ increases.
Detailed Solution for Test: Cost Variance With Reflux Ratio - Question 4

Explanation: If the reflux ratio increases, the load of condenser has to increase which leads to increase of operating cost.

Test: Cost Variance With Reflux Ratio - Question 5
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 If the reflux increases ________ increases in the fractionator.
Detailed Solution for Test: Cost Variance With Reflux Ratio - Question 5

Explanation: If the reflux ratio is more, reflux increases. For the more condensed liquid, the column diameter should be more.

Test: Cost Variance With Reflux Ratio - Question 6
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Total cost is
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Explanation: The total cost is estimated by the sum of cost of trays and other devices like condenser, reboiler which is equals to sum of operating and fixed cost.

Test: Cost Variance With Reflux Ratio - Question 7
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 At optimum reflux ratio,
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Explanation: To get the optimum cost the cost used for the trays and other devices should be same.

Test: Cost Variance With Reflux Ratio - Question 8
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 Total cost will be minimum at
Detailed Solution for Test: Cost Variance With Reflux Ratio - Question 8

Explanation: At optimum reflux ratio, the fixed cost and the operating cost will be equal so the total cost will be minimum.

Test: Cost Variance With Reflux Ratio - Question 9
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Estimate the fixed cost if the operational cost is 7 lakhs and the total cost is 15 lakhs.
Detailed Solution for Test: Cost Variance With Reflux Ratio - Question 9

Explanation: Total cost= fixed cost + operational cost.

Test: Cost Variance With Reflux Ratio - Question 10
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Estimate the operational cost if the fixed cost is 15 lakhs.(Hint: reflux ratio= optimum)
Detailed Solution for Test: Cost Variance With Reflux Ratio - Question 10

Explanation: At optimum reflux ratio, the fixed cost = operational cost= 15 lakhs.

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